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4-Channel, 24-Bit Universal Analog Input Device



The Measurement Computing USB-2404-UI from Firetail DAQ provides four channels of 24-bit universal analog input with integrated signal conditioning. The device can be used to measure a variety of sensor types such as RTDs, thermocouples, load cells, and other powered sensors. The four channels are individually configurable, so a different measurement type can be performed on each channel. All channels are measured simultaneously at up to 100 S/s per channel.

The USB-2404-UI can perform the following measurements:

- Voltage

- Current

- Thermocouple

- RTD (4-wire and 3-wire)

- Resistance (4-wire and 2-wire)

- Bridge-based sensors (quarter-, half-, and full-bridge)

Measurement ranges vary for each type of measurement.

The device features built-in current and voltage excitation. The excitation circuit is protected from overcurrent and overvoltage fault conditions. Each channel also has a built-in thermistor for cold-junction compensation (CJC) calculations when measuring thermocouples. An analog prefilter removes noise that may be present in the signals prior to conversion.

With 250 VAC channel-to-channel and channel-to-ground isolation, the USB-2404-UI protects the individual channels and connected computer and ensures a reliable data stream. Each channel has a detachable six-position spring terminal for field wiring connections. The USB-2404-UI ships with a 2m USB cable and is powered by the +5 volt USB supply from your computer. No external power is required. The USB-2404-UI is a USB 2.0 high-speed device that is supported under popular Microsoft Windows® operating systems. The USB-2404-UI is fully compatible with both USB 1.1 and USB 2.0 ports.


  • 4 channels of universal analog input
  • 24-bit resolution
  • Measures: voltage (±125 mV, ±1 V, ±4 V, ±15 V, ±60 V), current (±25 mA), thermocouples (J, K, R, S, T, N, E, B type), RTDs (Pt100, Pt1000, 3-wire and 4-wire), resistance (2-wire and 4-wire), and bridge-based sensors (quarter-, half-, and full-bridge)
  • Simultaneous sampling at up to 100 S/s per channel
  • Built-in thermistor for cold-junction compensation (CJC)
  • Six-position spring terminal allows different measurement types to be performed on each channel


TracerDAQ® software included for acquiring and displaying data and generating signals

Universal Library includes support for Visual Studio® and Visual Studio® .NET, including examples for Visual C++®, Visual C#®, Visual Basic®, and Visual Basic® .NET

Comprehensive drivers for DASYLab® and NI LabVIEW™

InstaCal software utility for installation, calibration, and testing

Supported Windows® Operating Systems: Windows 7/Vista/XP SP2, 32-bit or 64-bit

Find out why Team ETHOS selected the Measurement Computing USB-2404-UI with universal inputs, for their Championship Pumpkin Catapult project.

Click here to read the Application Note.

Contact our team today to find out what Temperature Measurement device is the right one for your application. Click here to contact us